TAD/TFD OVEN SERIES - despatch.com

1 TAD/TFD SERIES owner s Manual PREFACE Version 1 1 Copyright 2015 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use. TAD/TFD OVEN SERIES owner S MANUAL C-267 PN 320254 VERSION 1 12/2015 PREFACE TAD/TFD SERIES owner s Manual 2 Version 1 Copyright 2015 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.

2 Revision History Revision Date Author Description Pre 8/2013 Livingston Format changes and inclusion of Protocol 3 1 12/2015 E. Anderson Final release of manual TAD/TFD SERIES owner s Manual PREFACE Version 1 3 Copyright 2015 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use. Table of Contents 1. About This Manual .. 6 Important User Information .. 6 Manufacturer & Service .. 7 Organization of this Manual .. 7 Conventions .. 8 Specifications .. 8 Dimensions .. 8 Capacities .. 9 Temperatures .. 10 Power .. 11 Truck-in (TAD and TFD) Oven Capabilities .. 12 TAD Oven SERIES .. 12 TFD Class A Oven SERIES .

3 12 2. Safety .. 13 Safety Information .. 13 Lockout .. 13 Lockout Requirements .. 13 Lockout Procedure .. 13 Maintenance .. 14 Electrical Power .. 14 Fire .. 14 Equipment Lockout Requirements .. 14 Disconnect Switch .. 15 Door Switch Automatic Disconnect .. 15 3. Theory of Operation .. 16 The TAD Oven SERIES .. 16 The TFD Class A Oven SERIES .. 16 Damper Control .. 17 Determining Damper Settings .. 18 Fresh Air Damper Fully Closed Position .. 18 Fresh Air Damper Fully Open Position .. 18 Exhaust Damper Control .. 19 Optional Adjustable Louvers .. 19 Purpose of Adjustable Airflow .. 20 Supply Air Adjustment .. 20 Return Air Adjustment .. 20 The Protocol 3 Controller .. 21 High Limit Audible Alarm .. 22 Modbus RS485 Communication .. 22 4. Assembly & Setup .. 23 Unpack & Inspect the oven .. 23 If Damaged During Shipping .. 23 Set Up the Truck-in Oven .. 23 Select Oven Location .. 23 Placement Requirements.

4 24 Exhaust Connections .. 24 PREFACE TAD/TFD SERIES owner s Manual 4 Version 1 Copyright 2015 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use. Downdrafts .. 24 TFD Exhaust Connections: .. 25 TAD Exhaust Connections: .. 25 25 Wiring & Power Connections .. 26 5. Operation .. 27 Load Oven .. 27 Pre-Startup Checklist .. 28 Operating Procedure .. 29 Check Fan Rotation and Other Preliminaries .. 29 Start and Operate the Oven .. 30 Shutdown .. 30 Working with Protocol 3 Operating Modes .. 30 6. Maintenance .. 31 Checklist .. 31 Maintenance Schedule .. 31 Check Fans .. 32 Test Purge Timer (TFD only).

5 33 Test Airflow Switch (TFD only) .. 33 To Set or Adjust Airflow Switch .. 33 Example: Verify Exhaust Fan Airflow Switch 33 Lubrication .. 35 Check Safety Controls .. 35 Check High-Limit Controller .. 35 Repairs .. 35 Protocol 3 Controller .. 35 Replacement Parts .. 36 7. 37 Possible Problems and Suggested Solutions .. 37 Heater Circuit Troubleshooting .. 39 Troubleshoot Airflow Conditions .. 40 Troubleshooting: Error Messages and Alarm .. 40 8. Appendices .. 41 Standard Products Warranty .. 41 MRC5000 Setup (Optional) .. 42 Mechanical Drawings .. 43 Electrical Schematics .. 43 Figures Figure 1. Design Information and Specification Label.. 10 Figure 2. Electrical Specification Label.. 11 Figure 3. Disconnect switch, various styles.. 15 Figure 4. Door Switch Automatic 15 Figure 5. TAD oven SERIES .. 16 Figure 6. TAD/TFD front view cross section showing airflow pattern.. 16 Figure 7. TAD Fresh Air Damper.. 17 Figure 8.

6 TAD Exhaust Damper.. 17 Figure 9. Standard perforated panels and adjustable louvers.. 19 TAD/TFD SERIES owner s Manual PREFACE Version 1 5 Copyright 2015 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use. Figure 10. Initial factory settings for optional louvers.. 20 Figure 11. Protocol 3 Operator Interface.. 22 Figure 12. Power, Heat and Alarm Silence Switches.. 22 Figure 13. Connectors for Remote Communication.. 22 Figure 10. TFD Forced Exhaust Assembly example .. 25 Figure 11. RAD Exhaust Assembly .. 25 Figure 12. Power, Heat and Alarm Silence Switches.. 29 Figure 13. Minimum purge time is listed on the TFD oven design specification 29 Figure 14.

7 Airflow Switch Indicator.. 34 Figure 15. Adjust the airflow switch.. 34 Tables Table 1. Damper Positions for Chamber Pressure.. 17 Table 3. Troubleshooting grid.. 37 Table 4. Airflow Troubleshooting.. 40 Table 5. Error Messages and Next Steps.. 40 Table 6. MRC 5000 Settings.. 42 SAFETY TAD/TFD SERIES owner s Manual 6 Version 1 Copyright 2015 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use. 1. About This Manual Important User Information Copyright 2015 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied, or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of the publisher, unless it is for the purchaser's personal use.

8 Printed and bound in the United States of America. The information in this manual is subject to change without notice and does not represent a commitment on the part of Despatch Industries. Despatch Industries does not assume any responsibility for any errors that may appear in this manual. In no event will Despatch Industries be liable for technical or editorial omissions made herein, nor for direct, indirect, special, incidental, or consequential damages resulting from the use or defect of this manual. Before operating this equipment, carefully read instruction manual. Values displayed on screens are examples only. Though those values may be typical, contact Despatch Industries for the final value. Users of this equipment must comply with operating procedures and training of operation personnel as required by the Occupational Safety and Health Act (OSHA) of 1970, Section 5 and relevant safety standards, as well as other safety rules and regulations of state and local governments.

9 Refer to the relevant safety standards in OSHA and National Fire Protection Association (NFPA), section 86 of 1990. Danger! Only fully-trained and qualified personnel should setup and maintain this equipment. Improper setup and operation of this equipment could cause an explosion that may result in equipment damage, personal injury or possible death. TAD/TFD SERIES owner s Manual SAFETY Version 1 7 Copyright 2015 by Despatch Industries. All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use. The information in this document is not intended to cover all possible conditions and situations that might occur. The end user must exercise caution and common sense when installing or maintaining Despatch Industries products.

10 If any questions or problems arise, call Despatch Industries at 1-888-DESPATCH or 1-952-469-5424. Manufacturer & Service The Truck-in oven SERIES (both TAD and TFD models), which includes TAD2-52, TAD3-10, TAD3-21, TFD2-52, TFD3-10 and TFD3-21, is manufactured by Despatch Industries. Despatch has specialized in thermal processing for over 100 years. Technical expertise gained over those years helps provide innovative solutions to critical applications in vertical markets and cutting edge technology worldwide. Despatch products are backed by a drive for long-term customer satisfaction and a strong sense of responsibility. The worldwide network of factory-trained Service Professionals is available to support your Despatch equipment. From full service preventive maintenance to routine repair and certified calibration and uniformity, the Despatch service network is positioned to respond to your business needs. Our service programs are customized to meet your specific needs using our Advantage Service Assurance Program (ASAP).